<%@ page contentType="text/html;charset=UTF-8" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
	<body>
		s imple_string_username value=${simple_string_username }  
	        <br />
	        <c:if test="${empty simple_string_username}">  simple_string_username为空</c:if>
	        <c:if test="${not empty simple_string_username}">  simple_string_username为${simple_string_username }</c:if>
		<h2>Hello World!等到</h2>
		c_out_simple_string的值是：  
        <c:out value="${simple_string_username}"></c:out></br>
        <c:forEach items="${list}" var="item">
			userName=${item.name}<br>  
        </c:forEach>
	</body>
</html>
